[FIX] l10n_fr_account_vat_return: filter on VAT taxes for France

This commit adapts the code to the scenario where you have VAT taxes for
other countries (EU B2C over 10k€, Polynésie française, ...)

l10n_fr_account_vat_return/models/l10n_fr_account_vat_return.py

@@ -314,6 +314,7 @@ def _prepare_speedy(self):
             ("amount_type", "=", "percent"),
             ("amount", ">", 0),
             ("unece_type_code", "=", "VAT"),
+            ("country_id", "=", self.env.ref("base.fr").id),
         ]
         sale_regular_vat_tax_domain = vat_tax_domain + [
             ("fr_vat_autoliquidation", "=", False),